Home / 77,077.41-106,353.20-43,075.02

Finding the Fourth Proportional to 77,077.41, 106,353.20 and 43,075.02

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Solution

The fourth proportional to 77,077.41, 106,353.20 and 43,075.02 is: 59,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,077.41 : 106,353.20 = 43,075.02 : x
  2. Step 2: Convert to fraction form
    77,077.41/106,353.20 = 43,075.02/x
  3. Step 3: Cross multiply
    77,077.41x = 106,353.20 × 43,075.02
  4. Step 4: Simplify right side
    77,077.41x = 4,581,166,001.69
  5. Step 5: Solve for x
    x = 4,581,166,001.69/77,077.41
  6. Step 6: Final answer
    x = 59,435.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.